Kinetic properties of lead and copper sorption onto multi-amine grafted nanoporous silica embedded with magnetite core

Title
Kinetic properties of lead and copper sorption onto multi-amine grafted nanoporous silica embedded with magnetite core
Authors
정재식천진녕이진우이상협홍석원
Keywords
Amino-functionalized MSU-F-S; Nano-scale magnetite core; Heavy metal adsorption; Steric congestion; Intra-particle diffusion; Magnetic separation
Issue Date
2012-09
Publisher
IWA World Water Congress & Exhibition 2012 Proceeding
Abstract
► The sorption properties of Pb(II) and Cu(II) onto the N-, NN-, NNN-MSU-F-S/Fe3O4 were found to be considerably governed by the steric factors. ► Excessive amount of functional molecules such as magnetite and/or ligand chains on the pore structure could cause an unfavourable influence by the steric hindrance (i.e., pore blockage and degree of protonation). ► This study plays an important role in understanding steric effects on the transport of cationic metals into the functionalized mesoporous silica and designing efficient sorbents.
URI
http://pubs.kist.re.kr/handle/201004/44141
Appears in Collections:
KIST Publication > Conference Paper
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